| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Carlos Corbacho | 4250 | 41.93% | 16 | 14.04% |
| Chun-Yi Lee | 3103 | 30.62% | 33 | 28.95% |
| JafarAkhondali | 826 | 8.15% | 1 | 0.88% |
| Hans de Goede | 641 | 6.32% | 10 | 8.77% |
| Marek Vašut | 425 | 4.19% | 1 | 0.88% |
| Melchior FRANZ | 164 | 1.62% | 1 | 0.88% |
| Chris Chiu | 141 | 1.39% | 2 | 1.75% |
| Ike Panhc | 83 | 0.82% | 1 | 0.88% |
| Axel Lin | 82 | 0.81% | 5 | 4.39% |
| Seth Forshee | 68 | 0.67% | 3 | 2.63% |
| Pali Rohár | 54 | 0.53% | 2 | 1.75% |
| Johannes Berg | 46 | 0.45% | 1 | 0.88% |
| Mathias Krause | 34 | 0.34% | 3 | 2.63% |
| Andy Whitcroft | 21 | 0.21% | 1 | 0.88% |
| Andy Shevchenko | 20 | 0.20% | 1 | 0.88% |
| Rafael J. Wysocki | 19 | 0.19% | 1 | 0.88% |
| Joe Perches | 18 | 0.18% | 2 | 1.75% |
| João Paulo Rechi Vita | 18 | 0.18% | 1 | 0.88% |
| Sergey Senozhatsky | 16 | 0.16% | 2 | 1.75% |
| Timo Witte | 11 | 0.11% | 1 | 0.88% |
| Merlin Schumacher | 11 | 0.11% | 1 | 0.88% |
| Antonio Rosario Intilisano | 10 | 0.10% | 1 | 0.88% |
| Lukas Wunner | 8 | 0.08% | 1 | 0.88% |
| Gustavo A. R. Silva | 7 | 0.07% | 2 | 1.75% |
| Thomas Renninger | 7 | 0.07% | 1 | 0.88% |
| Irenge Jules Bashizi | 7 | 0.07% | 1 | 0.88% |
| Dmitry Torokhov | 6 | 0.06% | 1 | 0.88% |
| Michael Powell | 6 | 0.06% | 1 | 0.88% |
| Matthew Garrett | 5 | 0.05% | 3 | 2.63% |
| Lin Ming | 4 | 0.04% | 1 | 0.88% |
| Arjan van de Ven | 3 | 0.03% | 1 | 0.88% |
| Stephen Kitt | 3 | 0.03% | 1 | 0.88% |
| Russ Dill | 3 | 0.03% | 1 | 0.88% |
| Thomas Gleixner | 2 | 0.02% | 1 | 0.88% |
| Corentin Chary | 2 | 0.02% | 1 | 0.88% |
| Linus Torvalds (pre-git) | 2 | 0.02% | 1 | 0.88% |
| Uwe Kleine-König | 2 | 0.02% | 1 | 0.88% |
| Greg Kroah-Hartman | 2 | 0.02% | 1 | 0.88% |
| Barnabás Pőcze | 1 | 0.01% | 1 | 0.88% |
| Dan Carpenter | 1 | 0.01% | 1 | 0.88% |
| Linus Torvalds | 1 | 0.01% | 1 | 0.88% |
| Michał Kępień | 1 | 0.01% | 1 | 0.88% |
| Benjamin Herrenschmidt | 1 | 0.01% | 1 | 0.88% |
| Total | 10135 | 114 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * Acer WMI Laptop Extras * * Copyright (C) 2007-2009 Carlos Corbacho <carlos@strangeworlds.co.uk> * * Based on acer_acpi: * Copyright (C) 2005-2007 E.M. Smith * Copyright (C) 2007-2008 Carlos Corbacho <cathectic@gmail.com> */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> #include <linux/types.h> #include <linux/dmi.h> #include <linux/fb.h> #include <linux/backlight.h> #include <linux/leds.h> #include <linux/platform_device.h> #include <linux/acpi.h> #include <linux/i8042.h> #include <linux/rfkill.h> #include <linux/workqueue.h> #include <linux/debugfs.h> #include <linux/slab.h> #include <linux/input.h> #include <linux/input/sparse-keymap.h> #include <acpi/video.h> MODULE_AUTHOR("Carlos Corbacho"); MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver"); MODULE_LICENSE("GPL"); /* * Magic Number * Meaning is unknown - this number is required for writing to ACPI for AMW0 * (it's also used in acerhk when directly accessing the BIOS) */ #define ACER_AMW0_WRITE 0x9610 /* * Bit masks for the AMW0 interface */ #define ACER_AMW0_WIRELESS_MASK 0x35 #define ACER_AMW0_BLUETOOTH_MASK 0x34 #define ACER_AMW0_MAILLED_MASK 0x31 /* * Method IDs for WMID interface */ #define ACER_WMID_GET_WIRELESS_METHODID 1 #define ACER_WMID_GET_BLUETOOTH_METHODID 2 #define ACER_WMID_GET_BRIGHTNESS_METHODID 3 #define ACER_WMID_SET_WIRELESS_METHODID 4 #define ACER_WMID_SET_BLUETOOTH_METHODID 5 #define ACER_WMID_SET_BRIGHTNESS_METHODID 6 #define ACER_WMID_GET_THREEG_METHODID 10 #define ACER_WMID_SET_THREEG_METHODID 11 #define ACER_WMID_SET_GAMING_LED_METHODID 2 #define ACER_WMID_GET_GAMING_LED_METHODID 4 #define ACER_WMID_SET_GAMING_FAN_BEHAVIOR 14 #define ACER_WMID_SET_GAMING_MISC_SETTING_METHODID 22 /* * Acer ACPI method GUIDs */ #define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB" #define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C" #define WMID_GUID1 "6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3" #define WMID_GUID2 "95764E09-FB56-4E83-B31A-37761F60994A" #define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531" #define WMID_GUID4 "7A4DDFE7-5B5D-40B4-8595-4408E0CC7F56" /* * Acer ACPI event GUIDs */ #define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026" MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB"); MODULE_ALIAS("wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3"); MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026"); enum acer_wmi_event_ids { WMID_HOTKEY_EVENT = 0x1, WMID_ACCEL_OR_KBD_DOCK_EVENT = 0x5, WMID_GAMING_TURBO_KEY_EVENT = 0x7, }; static const struct key_entry acer_wmi_keymap[] __initconst = { {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */ {KE_KEY, 0x03, {KEY_WLAN} }, /* WiFi */ {KE_KEY, 0x04, {KEY_WLAN} }, /* WiFi */ {KE_KEY, 0x12, {KEY_BLUETOOTH} }, /* BT */ {KE_KEY, 0x21, {KEY_PROG1} }, /* Backup */ {KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */ {KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */ {KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */ {KE_KEY, 0x27, {KEY_HELP} }, {KE_KEY, 0x29, {KEY_PROG3} }, /* P_Key for TM8372 */ {KE_IGNORE, 0x41, {KEY_MUTE} }, {KE_IGNORE, 0x42, {KEY_PREVIOUSSONG} }, {KE_IGNORE, 0x4d, {KEY_PREVIOUSSONG} }, {KE_IGNORE, 0x43, {KEY_NEXTSONG} }, {KE_IGNORE, 0x4e, {KEY_NEXTSONG} }, {KE_IGNORE, 0x44, {KEY_PLAYPAUSE} }, {KE_IGNORE, 0x4f, {KEY_PLAYPAUSE} }, {KE_IGNORE, 0x45, {KEY_STOP} }, {KE_IGNORE, 0x50, {KEY_STOP} }, {KE_IGNORE, 0x48, {KEY_VOLUMEUP} }, {KE_IGNORE, 0x49, {KEY_VOLUMEDOWN} }, {KE_IGNORE, 0x4a, {KEY_VOLUMEDOWN} }, /* * 0x61 is KEY_SWITCHVIDEOMODE. Usually this is a duplicate input event * with the "Video Bus" input device events. But sometimes it is not * a dup. Map it to KEY_UNKNOWN instead of using KE_IGNORE so that * udev/hwdb can override it on systems where it is not a dup. */ {KE_KEY, 0x61, {KEY_UNKNOWN} }, {KE_IGNORE, 0x62, {KEY_BRIGHTNESSUP} }, {KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} }, {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */ {KE_IGNORE, 0x81, {KEY_SLEEP} }, {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */ {KE_IGNORE, 0x84, {KEY_KBDILLUMTOGGLE} }, /* Automatic Keyboard background light toggle */ {KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} }, {KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} }, {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} }, {KE_KEY, 0x85, {KEY_TOUCHPAD_TOGGLE} }, {KE_KEY, 0x86, {KEY_WLAN} }, {KE_KEY, 0x87, {KEY_POWER} }, {KE_END, 0} }; static struct input_dev *acer_wmi_input_dev; static struct input_dev *acer_wmi_accel_dev; struct event_return_value { u8 function; u8 key_num; u16 device_state; u16 reserved1; u8 kbd_dock_state; u8 reserved2; } __packed; /* * GUID3 Get Device Status device flags */ #define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */ #define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */ #define ACER_WMID3_GDS_WIMAX (1<<7) /* WiMAX */ #define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */ #define ACER_WMID3_GDS_RFBTN (1<<14) /* RF Button */ #define ACER_WMID3_GDS_TOUCHPAD (1<<1) /* Touchpad */ /* Hotkey Customized Setting and Acer Application Status. * Set Device Default Value and Report Acer Application Status. * When Acer Application starts, it will run this method to inform * BIOS/EC that Acer Application is on. * App Status * Bit[0]: Launch Manager Status * Bit[1]: ePM Status * Bit[2]: Device Control Status * Bit[3]: Acer Power Button Utility Status * Bit[4]: RF Button Status * Bit[5]: ODD PM Status * Bit[6]: Device Default Value Control * Bit[7]: Hall Sensor Application Status */ struct func_input_params { u8 function_num; /* Function Number */ u16 commun_devices; /* Communication type devices default status */ u16 devices; /* Other type devices default status */ u8 app_status; /* Acer Device Status. LM, ePM, RF Button... */ u8 app_mask; /* Bit mask to app_status */ u8 reserved; } __packed; struct func_return_value { u8 error_code; /* Error Code */ u8 ec_return_value; /* EC Return Value */ u16 reserved; } __packed; struct wmid3_gds_set_input_param { /* Set Device Status input parameter */ u8 function_num; /* Function Number */ u8 hotkey_number; /* Hotkey Number */ u16 devices; /* Set Device */ u8 volume_value; /* Volume Value */ } __packed; struct wmid3_gds_get_input_param { /* Get Device Status input parameter */ u8 function_num; /* Function Number */ u8 hotkey_number; /* Hotkey Number */ u16 devices; /* Get Device */ } __packed; struct wmid3_gds_return_value { /* Get Device Status return value*/ u8 error_code; /* Error Code */ u8 ec_return_value; /* EC Return Value */ u16 devices; /* Current Device Status */ u32 reserved; } __packed; struct hotkey_function_type_aa { u8 type; u8 length; u16 handle; u16 commun_func_bitmap; u16 application_func_bitmap; u16 media_func_bitmap; u16 display_func_bitmap; u16 others_func_bitmap; u8 commun_fn_key_number; } __packed; /* * Interface capability flags */ #define ACER_CAP_MAILLED BIT(0) #define ACER_CAP_WIRELESS BIT(1) #define ACER_CAP_BLUETOOTH BIT(2) #define ACER_CAP_BRIGHTNESS BIT(3) #define ACER_CAP_THREEG BIT(4) #define ACER_CAP_SET_FUNCTION_MODE BIT(5) #define ACER_CAP_KBD_DOCK BIT(6) #define ACER_CAP_TURBO_OC BIT(7) #define ACER_CAP_TURBO_LED BIT(8) #define ACER_CAP_TURBO_FAN BIT(9) /* * Interface type flags */ enum interface_flags { ACER_AMW0, ACER_AMW0_V2, ACER_WMID, ACER_WMID_v2, }; #define ACER_DEFAULT_WIRELESS 0 #define ACER_DEFAULT_BLUETOOTH 0 #define ACER_DEFAULT_MAILLED 0 #define ACER_DEFAULT_THREEG 0 static int max_brightness = 0xF; static int mailled = -1; static int brightness = -1; static int threeg = -1; static int force_series; static int force_caps = -1; static bool ec_raw_mode; static bool has_type_aa; static u16 commun_func_bitmap; static u8 commun_fn_key_number; module_param(mailled, int, 0444); module_param(brightness, int, 0444); module_param(threeg, int, 0444); module_param(force_series, int, 0444); module_param(force_caps, int, 0444); module_param(ec_raw_mode, bool, 0444); MODULE_PARM_DESC(mailled, "Set initial state of Mail LED"); MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness"); MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware"); MODULE_PARM_DESC(force_series, "Force a different laptop series"); MODULE_PARM_DESC(force_caps, "Force the capability bitmask to this value"); MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode"); struct acer_data { int mailled; int threeg; int brightness; }; struct acer_debug { struct dentry *root; u32 wmid_devices; }; static struct rfkill *wireless_rfkill; static struct rfkill *bluetooth_rfkill; static struct rfkill *threeg_rfkill; static bool rfkill_inited; /* Each low-level interface must define at least some of the following */ struct wmi_interface { /* The WMI device type */ u32 type; /* The capabilities this interface provides */ u32 capability; /* Private data for the current interface */ struct acer_data data; /* debugfs entries associated with this interface */ struct acer_debug debug; }; /* The static interface pointer, points to the currently detected interface */ static struct wmi_interface *interface; /* * Embedded Controller quirks * Some laptops require us to directly access the EC to either enable or query * features that are not available through WMI. */ struct quirk_entry { u8 wireless; u8 mailled; s8 brightness; u8 bluetooth; u8 turbo; u8 cpu_fans; u8 gpu_fans; }; static struct quirk_entry *quirks; static void __init set_quirks(void) { if (quirks->mailled) interface->capability |= ACER_CAP_MAILLED; if (quirks->brightness) interface->capability |= ACER_CAP_BRIGHTNESS; if (quirks->turbo) interface->capability |= ACER_CAP_TURBO_OC | ACER_CAP_TURBO_LED | ACER_CAP_TURBO_FAN; } static int __init dmi_matched(const struct dmi_system_id *dmi) { quirks = dmi->driver_data; return 1; } static int __init set_force_caps(const struct dmi_system_id *dmi) { if (force_caps == -1) { force_caps = (uintptr_t)dmi->driver_data; pr_info("Found %s, set force_caps to 0x%x\n", dmi->ident, force_caps); } return 1; } static struct quirk_entry quirk_unknown = { }; static struct quirk_entry quirk_acer_aspire_1520 = { .brightness = -1, }; static struct quirk_entry quirk_acer_travelmate_2490 = { .mailled = 1, }; static struct quirk_entry quirk_acer_predator_ph315_53 = { .turbo = 1, .cpu_fans = 1, .gpu_fans = 1, }; /* This AMW0 laptop has no bluetooth */ static struct quirk_entry quirk_medion_md_98300 = { .wireless = 1, }; static struct quirk_entry quirk_fujitsu_amilo_li_1718 = { .wireless = 2, }; static struct quirk_entry quirk_lenovo_ideapad_s205 = { .wireless = 3, }; /* The Aspire One has a dummy ACPI-WMI interface - disable it */ static const struct dmi_system_id acer_blacklist[] __initconst = { { .ident = "Acer Aspire One (SSD)", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"), }, }, { .ident = "Acer Aspire One (HDD)", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"), }, }, {} }; static const struct dmi_system_id amw0_whitelist[] __initconst = { { .ident = "Acer", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), }, }, { .ident = "Gateway", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Gateway"), }, }, { .ident = "Packard Bell", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Packard Bell"), }, }, {} }; /* * This quirk table is only for Acer/Gateway/Packard Bell family * that those machines are supported by acer-wmi driver. */ static const struct dmi_system_id acer_quirks[] __initconst = { { .callback = dmi_matched, .ident = "Acer Aspire 1360", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"), }, .driver_data = &quirk_acer_aspire_1520, }, { .callback = dmi_matched, .ident = "Acer Aspire 1520", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"), }, .driver_data = &quirk_acer_aspire_1520, }, { .callback = dmi_matched, .ident = "Acer Aspire 3100", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"), }, .driver_data = &quirk_acer_travelmate_2490, }, { .callback = dmi_matched, .ident = "Acer Aspire 3610", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"), }, .driver_data = &quirk_acer_travelmate_2490, }, { .callback = dmi_matched, .ident = "Acer Aspire 5100", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"), }, .driver_data = &quirk_acer_travelmate_2490, }, { .callback = dmi_matched, .ident = "Acer Aspire 5610", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"), }, .driver_data = &quirk_acer_travelmate_2490, }, { .callback = dmi_matched, .ident = "Acer Aspire 5630", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"), }, .driver_data = &quirk_acer_travelmate_2490, }, { .callback = dmi_matched, .ident = "Acer Aspire 5650", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"), }, .driver_data = &quirk_acer_travelmate_2490, }, { .callback = dmi_matched, .ident = "Acer Aspire 5680", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"), }, .driver_data = &quirk_acer_travelmate_2490, }, { .callback = dmi_matched, .ident = "Acer Aspire 9110", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"), }, .driver_data = &quirk_acer_travelmate_2490, }, { .callback = dmi_matched, .ident = "Acer TravelMate 2490", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"), }, .driver_data = &quirk_acer_travelmate_2490, }, { .callback = dmi_matched, .ident = "Acer TravelMate 4200", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"), }, .driver_data = &quirk_acer_travelmate_2490, }, { .callback = dmi_matched, .ident = "Acer Predator PH315-53", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH315-53"), }, .driver_data = &quirk_acer_predator_ph315_53, }, { .callback = set_force_caps, .ident = "Acer Aspire Switch 10E SW3-016", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW3-016"), }, .driver_data = (void *)ACER_CAP_KBD_DOCK, }, { .callback = set_force_caps, .ident = "Acer Aspire Switch 10 SW5-012", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"), }, .driver_data = (void *)ACER_CAP_KBD_DOCK, }, { .callback = set_force_caps, .ident = "Acer Aspire Switch V 10 SW5-017", .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SW5-017"), }, .driver_data = (void *)ACER_CAP_KBD_DOCK, }, { .callback = set_force_caps, .ident = "Acer One 10 (S1003)", .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"), }, .driver_data = (void *)ACER_CAP_KBD_DOCK, }, {} }; /* * This quirk list is for those non-acer machines that have AMW0_GUID1 * but supported by acer-wmi in past days. Keeping this quirk list here * is only for backward compatible. Please do not add new machine to * here anymore. Those non-acer machines should be supported by * appropriate wmi drivers. */ static const struct dmi_system_id non_acer_quirks[] __initconst = { { .callback = dmi_matched, .ident = "Fujitsu Siemens Amilo Li 1718", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"), }, .driver_data = &quirk_fujitsu_amilo_li_1718, }, { .callback = dmi_matched, .ident = "Medion MD 98300", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"), }, .driver_data = &quirk_medion_md_98300, }, { .callback = dmi_matched, .ident = "Lenovo Ideapad S205", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"), }, .driver_data = &quirk_lenovo_ideapad_s205, }, { .callback = dmi_matched, .ident = "Lenovo Ideapad S205 (Brazos)", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"), }, .driver_data = &quirk_lenovo_ideapad_s205, }, { .callback = dmi_matched, .ident = "Lenovo 3000 N200", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"), }, .driver_data = &quirk_fujitsu_amilo_li_1718, }, { .callback = dmi_matched, .ident = "Lenovo Ideapad S205-10382JG", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_NAME, "10382JG"), }, .driver_data = &quirk_lenovo_ideapad_s205, }, { .callback = dmi_matched, .ident = "Lenovo Ideapad S205-1038DPG", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_NAME, "1038DPG"), }, .driver_data = &quirk_lenovo_ideapad_s205, }, {} }; /* Find which quirks are needed for a particular vendor/ model pair */ static void __init find_quirks(void) { if (!force_series) { dmi_check_system(acer_quirks); dmi_check_system(non_acer_quirks); } else if (force_series == 2490) { quirks = &quirk_acer_travelmate_2490; } if (quirks == NULL) quirks = &quirk_unknown; } /* * General interface convenience methods */ static bool has_cap(u32 cap) { return interface->capability & cap; } /* * AMW0 (V1) interface */ struct wmab_args { u32 eax; u32 ebx; u32 ecx; u32 edx; }; struct wmab_ret { u32 eax; u32 ebx; u32 ecx; u32 edx; u32 eex; }; static acpi_status wmab_execute(struct wmab_args *regbuf, struct acpi_buffer *result) { struct acpi_buffer input; acpi_status status; input.length = sizeof(struct wmab_args); input.pointer = (u8 *)regbuf; status = wmi_evaluate_method(AMW0_GUID1, 0, 1, &input, result); return status; } static acpi_status AMW0_get_u32(u32 *value, u32 cap) { int err; u8 result; switch (cap) { case ACER_CAP_MAILLED: switch (quirks->mailled) { default: err = ec_read(0xA, &result); if (err) return AE_ERROR; *value = (result >> 7) & 0x1; return AE_OK; } break; case ACER_CAP_WIRELESS: switch (quirks->wireless) { case 1: err = ec_read(0x7B, &result); if (err) return AE_ERROR; *value = result & 0x1; return AE_OK; case 2: err = ec_read(0x71, &result); if (err) return AE_ERROR; *value = result & 0x1; return AE_OK; case 3: err = ec_read(0x78, &result); if (err) return AE_ERROR; *value = result & 0x1; return AE_OK; default: err = ec_read(0xA, &result); if (err) return AE_ERROR; *value = (result >> 2) & 0x1; return AE_OK; } break; case ACER_CAP_BLUETOOTH: switch (quirks->bluetooth) { default: err = ec_read(0xA, &result); if (err) return AE_ERROR; *value = (result >> 4) & 0x1; return AE_OK; } break; case ACER_CAP_BRIGHTNESS: switch (quirks->brightness) { default: err = ec_read(0x83, &result); if (err) return AE_ERROR; *value = result; return AE_OK; } break; default: return AE_ERROR; } return AE_OK; } static acpi_status AMW0_set_u32(u32 value, u32 cap) { struct wmab_args args; args.eax = ACER_AMW0_WRITE; args.ebx = value ? (1<<8) : 0; args.ecx = args.edx = 0; switch (cap) { case ACER_CAP_MAILLED: if (value > 1) return AE_BAD_PARAMETER; args.ebx |= ACER_AMW0_MAILLED_MASK; break; case ACER_CAP_WIRELESS: if (value > 1) return AE_BAD_PARAMETER; args.ebx |= ACER_AMW0_WIRELESS_MASK; break; case ACER_CAP_BLUETOOTH: if (value > 1) return AE_BAD_PARAMETER; args.ebx |= ACER_AMW0_BLUETOOTH_MASK; break; case ACER_CAP_BRIGHTNESS: if (value > max_brightness) return AE_BAD_PARAMETER; switch (quirks->brightness) { default: return ec_write(0x83, value); } default: return AE_ERROR; } /* Actually do the set */ return wmab_execute(&args, NULL); } static acpi_status __init AMW0_find_mailled(void) { struct wmab_args args; struct wmab_ret ret; acpi_status status = AE_OK; struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; args.eax = 0x86; args.ebx = args.ecx = args.edx = 0; status = wmab_execute(&args, &out); if (ACPI_FAILURE(status)) return status; obj = (union acpi_object *) out.pointer; if (obj && obj->type == ACPI_TYPE_BUFFER && obj->buffer.length == sizeof(struct wmab_ret)) { ret = *((struct wmab_ret *) obj->buffer.pointer); } else { kfree(out.pointer); return AE_ERROR; } if (ret.eex & 0x1) interface->capability |= ACER_CAP_MAILLED; kfree(out.pointer); return AE_OK; } static const struct acpi_device_id norfkill_ids[] __initconst = { { "VPC2004", 0}, { "IBM0068", 0}, { "LEN0068", 0}, { "SNY5001", 0}, /* sony-laptop in charge */ { "HPQ6601", 0}, { "", 0}, }; static int __init AMW0_set_cap_acpi_check_device(void) { const struct acpi_device_id *id; for (id = norfkill_ids; id->id[0]; id++) if (acpi_dev_found(id->id)) return true; return false; } static acpi_status __init AMW0_set_capabilities(void) { struct wmab_args args; struct wmab_ret ret; acpi_status status; struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; /* * On laptops with this strange GUID (non Acer), normal probing doesn't * work. */ if (wmi_has_guid(AMW0_GUID2)) { if ((quirks != &quirk_unknown) || !AMW0_set_cap_acpi_check_device()) interface->capability |= ACER_CAP_WIRELESS; return AE_OK; } args.eax = ACER_AMW0_WRITE; args.ecx = args.edx = 0; args.ebx = 0xa2 << 8; args.ebx |= ACER_AMW0_WIRELESS_MASK; status = wmab_execute(&args, &out); if (ACPI_FAILURE(status)) return status; obj = out.pointer; if (obj && obj->type == ACPI_TYPE_BUFFER && obj->buffer.length == sizeof(struct wmab_ret)) { ret = *((struct wmab_ret *) obj->buffer.pointer); } else { status = AE_ERROR; goto out; } if (ret.eax & 0x1) interface->capability |= ACER_CAP_WIRELESS; args.ebx = 2 << 8; args.ebx |= ACER_AMW0_BLUETOOTH_MASK; /* * It's ok to use existing buffer for next wmab_execute call. * But we need to kfree(out.pointer) if next wmab_execute fail. */ status = wmab_execute(&args, &out); if (ACPI_FAILURE(status)) goto out; obj = (union acpi_object *) out.pointer; if (obj && obj->type == ACPI_TYPE_BUFFER && obj->buffer.length == sizeof(struct wmab_ret)) { ret = *((struct wmab_ret *) obj->buffer.pointer); } else { status = AE_ERROR; goto out; } if (ret.eax & 0x1) interface->capability |= ACER_CAP_BLUETOOTH; /* * This appears to be safe to enable, since all Wistron based laptops * appear to use the same EC register for brightness, even if they * differ for wireless, etc */ if (quirks->brightness >= 0) interface->capability |= ACER_CAP_BRIGHTNESS; status = AE_OK; out: kfree(out.pointer); return status; } static struct wmi_interface AMW0_interface = { .type = ACER_AMW0, }; static struct wmi_interface AMW0_V2_interface = { .type = ACER_AMW0_V2, }; /* * New interface (The WMID interface) */ static acpi_status WMI_execute_u32(u32 method_id, u32 in, u32 *out) { struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) }; struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; u32 tmp = 0; acpi_status status; status = wmi_evaluate_method(WMID_GUID1, 0, method_id, &input, &result); if (ACPI_FAILURE(status)) return status; obj = (union acpi_object *) result.pointer; if (obj) { if (obj->type == ACPI_TYPE_BUFFER && (obj->buffer.length == sizeof(u32) || obj->buffer.length == sizeof(u64))) { tmp = *((u32 *) obj->buffer.pointer); } else if (obj->type == ACPI_TYPE_INTEGER) { tmp = (u32) obj->integer.value; } } if (out) *out = tmp; kfree(result.pointer); return status; } static acpi_status WMID_get_u32(u32 *value, u32 cap) { acpi_status status; u8 tmp; u32 result, method_id = 0; switch (cap) { case ACER_CAP_WIRELESS: method_id = ACER_WMID_GET_WIRELESS_METHODID; break; case ACER_CAP_BLUETOOTH: method_id = ACER_WMID_GET_BLUETOOTH_METHODID; break; case ACER_CAP_BRIGHTNESS: method_id = ACER_WMID_GET_BRIGHTNESS_METHODID; break; case ACER_CAP_THREEG: method_id = ACER_WMID_GET_THREEG_METHODID; break; case ACER_CAP_MAILLED: if (quirks->mailled == 1) { ec_read(0x9f, &tmp); *value = tmp & 0x1; return 0; } fallthrough; default: return AE_ERROR; } status = WMI_execute_u32(method_id, 0, &result); if (ACPI_SUCCESS(status)) *value = (u8)result; return status; } static acpi_status WMID_set_u32(u32 value, u32 cap) { u32 method_id = 0; char param; switch (cap) { case ACER_CAP_BRIGHTNESS: if (value > max_brightness) return AE_BAD_PARAMETER; method_id = ACER_WMID_SET_BRIGHTNESS_METHODID; break; case ACER_CAP_WIRELESS: if (value > 1) return AE_BAD_PARAMETER; method_id = ACER_WMID_SET_WIRELESS_METHODID; break; case ACER_CAP_BLUETOOTH: if (value > 1) return AE_BAD_PARAMETER; method_id = ACER_WMID_SET_BLUETOOTH_METHODID; break; case ACER_CAP_THREEG: if (value > 1) return AE_BAD_PARAMETER; method_id = ACER_WMID_SET_THREEG_METHODID; break; case ACER_CAP_MAILLED: if (value > 1) return AE_BAD_PARAMETER; if (quirks->mailled == 1) { param = value ? 0x92 : 0x93; i8042_lock_chip(); i8042_command(¶m, 0x1059); i8042_unlock_chip(); return 0; } break; default: return AE_ERROR; } return WMI_execute_u32(method_id, (u32)value, NULL); } static acpi_status wmid3_get_device_status(u32 *value, u16 device) { struct wmid3_gds_return_value return_value; acpi_status status; union acpi_object *obj; struct wmid3_gds_get_input_param params = { .function_num = 0x1, .hotkey_number = commun_fn_key_number, .devices = device, }; struct acpi_buffer input = { sizeof(struct wmid3_gds_get_input_param), ¶ms }; struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output); if (ACPI_FAILURE(status)) return status; obj = output.pointer; if (!obj) return AE_ERROR; else if (obj->type != ACPI_TYPE_BUFFER) { kfree(obj); return AE_ERROR; } if (obj->buffer.length != 8) { pr_warn("Unknown buffer length %d\n", obj->buffer.length); kfree(obj); return AE_ERROR; } return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer); kfree(obj); if (return_value.error_code || return_value.ec_return_value) pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n", device, return_value.error_code, return_value.ec_return_value); else *value = !!(return_value.devices & device); return status; } static acpi_status wmid_v2_get_u32(u32 *value, u32 cap) { u16 device; switch (cap) { case ACER_CAP_WIRELESS: device = ACER_WMID3_GDS_WIRELESS; break; case ACER_CAP_BLUETOOTH: device = ACER_WMID3_GDS_BLUETOOTH; break; case ACER_CAP_THREEG: device = ACER_WMID3_GDS_THREEG; break; default: return AE_ERROR; } return wmid3_get_device_status(value, device); } static acpi_status wmid3_set_device_status(u32 value, u16 device) { struct wmid3_gds_return_value return_value; acpi_status status; union acpi_object *obj; u16 devices; struct wmid3_gds_get_input_param get_params = { .function_num = 0x1, .hotkey_number = commun_fn_key_number, .devices = commun_func_bitmap, }; struct acpi_buffer get_input = { sizeof(struct wmid3_gds_get_input_param), &get_params }; struct wmid3_gds_set_input_param set_params = { .function_num = 0x2, .hotkey_number = commun_fn_key_number, .devices = commun_func_bitmap, }; struct acpi_buffer set_input = { sizeof(struct wmid3_gds_set_input_param), &set_params }; struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL }; status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output); if (ACPI_FAILURE(status)) return status; obj = output.pointer; if (!obj) return AE_ERROR; else if (obj->type != ACPI_TYPE_BUFFER) { kfree(obj); return AE_ERROR; } if (obj->buffer.length != 8) { pr_warn("Unknown buffer length %d\n", obj->buffer.length); kfree(obj); return AE_ERROR; } return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer); kfree(obj); if (return_value.error_code || return_value.ec_return_value) { pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n", return_value.error_code, return_value.ec_return_value); return status; } devices = return_value.devices; set_params.devices = (value) ? (devices | device) : (devices & ~device); status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2); if (ACPI_FAILURE(status)) return status; obj = output2.pointer; if (!obj) return AE_ERROR; else if (obj->type != ACPI_TYPE_BUFFER) { kfree(obj); return AE_ERROR; } if (obj->buffer.length != 4) { pr_warn("Unknown buffer length %d\n", obj->buffer.length); kfree(obj); return AE_ERROR; } return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer); kfree(obj); if (return_value.error_code || return_value.ec_return_value) pr_warn("Set Device Status failed: 0x%x - 0x%x\n", return_value.error_code, return_value.ec_return_value); return status; } static acpi_status wmid_v2_set_u32(u32 value, u32 cap) { u16 device; switch (cap) { case ACER_CAP_WIRELESS: device = ACER_WMID3_GDS_WIRELESS; break; case ACER_CAP_BLUETOOTH: device = ACER_WMID3_GDS_BLUETOOTH; break; case ACER_CAP_THREEG: device = ACER_WMID3_GDS_THREEG; break; default: return AE_ERROR; } return wmid3_set_device_status(value, device); } static void __init type_aa_dmi_decode(const struct dmi_header *header, void *d) { struct hotkey_function_type_aa *type_aa; /* We are looking for OEM-specific Type AAh */ if (header->type != 0xAA) return; has_type_aa = true; type_aa = (struct hotkey_function_type_aa *) header; pr_info("Function bitmap for Communication Button: 0x%x\n", type_aa->commun_func_bitmap); commun_func_bitmap = type_aa->commun_func_bitmap; if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS) interface->capability |= ACER_CAP_WIRELESS; if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG) interface->capability |= ACER_CAP_THREEG; if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH) interface->capability |= ACER_CAP_BLUETOOTH; if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_RFBTN) commun_func_bitmap &= ~ACER_WMID3_GDS_RFBTN; commun_fn_key_number = type_aa->commun_fn_key_number; } static acpi_status __init WMID_set_capabilities(void) { struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; union acpi_object *obj; acpi_status status; u32 devices; status = wmi_query_block(WMID_GUID2, 0, &out); if (ACPI_FAILURE(status)) return status; obj = (union acpi_object *) out.pointer; if (obj) { if (obj->type == ACPI_TYPE_BUFFER && (obj->buffer.length == sizeof(u32) || obj->buffer.length == sizeof(u64))) { devices = *((u32 *) obj->buffer.pointer); } else if (obj->type == ACPI_TYPE_INTEGER) { devices = (u32) obj->integer.value; } else { kfree(out.pointer); return AE_ERROR; } } else { kfree(out.pointer); return AE_ERROR; } pr_info("Function bitmap for Communication Device: 0x%x\n", devices); if (devices & 0x07) interface->capability |= ACER_CAP_WIRELESS; if (devices & 0x40) interface->capability |= ACER_CAP_THREEG; if (devices & 0x10) interface->capability |= ACER_CAP_BLUETOOTH; if (!(devices & 0x20)) max_brightness = 0x9; kfree(out.pointer); return status; } static struct wmi_interface wmid_interface = { .type = ACER_WMID, }; static struct wmi_interface wmid_v2_interface = { .type = ACER_WMID_v2, }; /* * WMID Gaming interface */ static acpi_status WMI_gaming_execute_u64(u32 method_id, u64 in, u64 *out) { struct acpi_buffer input = { (acpi_size) sizeof(u64), (void *)(&in) }; struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; u32 tmp = 0; acpi_status status; status = wmi_evaluate_method(WMID_GUID4, 0, method_id, &input, &result); if (ACPI_FAILURE(status)) return status; obj = (union acpi_object *) result.pointer; if (obj) { if (obj->type == ACPI_TYPE_BUFFER) { if (obj->buffer.length == sizeof(u32)) tmp = *((u32 *) obj->buffer.pointer); else if (obj->buffer.length == sizeof(u64)) tmp = *((u64 *) obj->buffer.pointer); } else if (obj->type == ACPI_TYPE_INTEGER) { tmp = (u64) obj->integer.value; } } if (out) *out = tmp; kfree(result.pointer); return status; } static acpi_status WMID_gaming_set_u64(u64 value, u32 cap) { u32 method_id = 0; if (!(interface->capability & cap)) return AE_BAD_PARAMETER; switch (cap) { case ACER_CAP_TURBO_LED: method_id = ACER_WMID_SET_GAMING_LED_METHODID; break; case ACER_CAP_TURBO_FAN: method_id = ACER_WMID_SET_GAMING_FAN_BEHAVIOR; break; case ACER_CAP_TURBO_OC: method_id = ACER_WMID_SET_GAMING_MISC_SETTING_METHODID; break; default: return AE_BAD_PARAMETER; } return WMI_gaming_execute_u64(method_id, value, NULL); } static acpi_status WMID_gaming_get_u64(u64 *value, u32 cap) { acpi_status status; u64 result; u64 input; u32 method_id; if (!(interface->capability & cap)) return AE_BAD_PARAMETER; switch (cap) { case ACER_CAP_TURBO_LED: method_id = ACER_WMID_GET_GAMING_LED_METHODID; input = 0x1; break; default: return AE_BAD_PARAMETER; } status = WMI_gaming_execute_u64(method_id, input, &result); if (ACPI_SUCCESS(status)) *value = (u64) result; return status; } static void WMID_gaming_set_fan_mode(u8 fan_mode) { /* fan_mode = 1 is used for auto, fan_mode = 2 used for turbo*/ u64 gpu_fan_config1 = 0, gpu_fan_config2 = 0; int i; if (quirks->cpu_fans > 0) gpu_fan_config2 |= 1; for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i) gpu_fan_config2 |= 1 << (i + 1); for (i = 0; i < quirks->gpu_fans; ++i) gpu_fan_config2 |= 1 << (i + 3); if (quirks->cpu_fans > 0) gpu_fan_config1 |= fan_mode; for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i) gpu_fan_config1 |= fan_mode << (2 * i + 2); for (i = 0; i < quirks->gpu_fans; ++i) gpu_fan_config1 |= fan_mode << (2 * i + 6); WMID_gaming_set_u64(gpu_fan_config2 | gpu_fan_config1 << 16, ACER_CAP_TURBO_FAN); } /* * Generic Device (interface-independent) */ static acpi_status get_u32(u32 *value, u32 cap) { acpi_status status = AE_ERROR; switch (interface->type) { case ACER_AMW0: status = AMW0_get_u32(value, cap); break; case ACER_AMW0_V2: if (cap == ACER_CAP_MAILLED) { status = AMW0_get_u32(value, cap); break; } fallthrough; case ACER_WMID: status = WMID_get_u32(value, cap); break; case ACER_WMID_v2: if (cap & (ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG)) status = wmid_v2_get_u32(value, cap); else if (wmi_has_guid(WMID_GUID2)) status = WMID_get_u32(value, cap); break; } return status; } static acpi_status set_u32(u32 value, u32 cap) { acpi_status status; if (interface->capability & cap) { switch (interface->type) { case ACER_AMW0: return AMW0_set_u32(value, cap); case ACER_AMW0_V2: if (cap == ACER_CAP_MAILLED) return AMW0_set_u32(value, cap); /* * On some models, some WMID methods don't toggle * properly. For those cases, we want to run the AMW0 * method afterwards to be certain we've really toggled * the device state. */ if (cap == ACER_CAP_WIRELESS || cap == ACER_CAP_BLUETOOTH) { status = WMID_set_u32(value, cap); if (ACPI_FAILURE(status)) return status; return AMW0_set_u32(value, cap); } fallthrough; case ACER_WMID: return WMID_set_u32(value, cap); case ACER_WMID_v2: if (cap & (ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG)) return wmid_v2_set_u32(value, cap); else if (wmi_has_guid(WMID_GUID2)) return WMID_set_u32(value, cap); fallthrough; default: return AE_BAD_PARAMETER; } } return AE_BAD_PARAMETER; } static void __init acer_commandline_init(void) { /* * These will all fail silently if the value given is invalid, or the * capability isn't available on the given interface */ if (mailled >= 0) set_u32(mailled, ACER_CAP_MAILLED); if (!has_type_aa && threeg >= 0) set_u32(threeg, ACER_CAP_THREEG); if (brightness >= 0) set_u32(brightness, ACER_CAP_BRIGHTNESS); } /* * LED device (Mail LED only, no other LEDs known yet) */ static void mail_led_set(struct led_classdev *led_cdev, enum led_brightness value) { set_u32(value, ACER_CAP_MAILLED); } static struct led_classdev mail_led = { .name = "acer-wmi::mail", .brightness_set = mail_led_set, }; static int acer_led_init(struct device *dev) { return led_classdev_register(dev, &mail_led); } static void acer_led_exit(void) { set_u32(LED_OFF, ACER_CAP_MAILLED); led_classdev_unregister(&mail_led); } /* * Backlight device */ static struct backlight_device *acer_backlight_device; static int read_brightness(struct backlight_device *bd) { u32 value; get_u32(&value, ACER_CAP_BRIGHTNESS); return value; } static int update_bl_status(struct backlight_device *bd) { int intensity = backlight_get_brightness(bd); set_u32(intensity, ACER_CAP_BRIGHTNESS); return 0; } static const struct backlight_ops acer_bl_ops = { .get_brightness = read_brightness, .update_status = update_bl_status, }; static int acer_backlight_init(struct device *dev) { struct backlight_properties props; struct backlight_device *bd; memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_PLATFORM; props.max_brightness = max_brightness; bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops, &props); if (IS_ERR(bd)) { pr_err("Could not register Acer backlight device\n"); acer_backlight_device = NULL; return PTR_ERR(bd); } acer_backlight_device = bd; bd->props.power = FB_BLANK_UNBLANK; bd->props.brightness = read_brightness(bd); backlight_update_status(bd); return 0; } static void acer_backlight_exit(void) { backlight_device_unregister(acer_backlight_device); } /* * Accelerometer device */ static acpi_handle gsensor_handle; static int acer_gsensor_init(void) { acpi_status status; struct acpi_buffer output; union acpi_object out_obj; output.length = sizeof(out_obj); output.pointer = &out_obj; status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output); if (ACPI_FAILURE(status)) return -1; return 0; } static int acer_gsensor_open(struct input_dev *input) { return acer_gsensor_init(); } static int acer_gsensor_event(void) { acpi_status status; struct acpi_buffer output; union acpi_object out_obj[5]; if (!acer_wmi_accel_dev) return -1; output.length = sizeof(out_obj); output.pointer = out_obj; status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output); if (ACPI_FAILURE(status)) return -1; if (out_obj->package.count != 4) return -1; input_report_abs(acer_wmi_accel_dev, ABS_X, (s16)out_obj->package.elements[0].integer.value); input_report_abs(acer_wmi_accel_dev, ABS_Y, (s16)out_obj->package.elements[1].integer.value); input_report_abs(acer_wmi_accel_dev, ABS_Z, (s16)out_obj->package.elements[2].integer.value); input_sync(acer_wmi_accel_dev); return 0; } /* * Predator series turbo button */ static int acer_toggle_turbo(void) { u64 turbo_led_state; /* Get current state from turbo button */ if (ACPI_FAILURE(WMID_gaming_get_u64(&turbo_led_state, ACER_CAP_TURBO_LED))) return -1; if (turbo_led_state) { /* Turn off turbo led */ WMID_gaming_set_u64(0x1, ACER_CAP_TURBO_LED); /* Set FAN mode to auto */ WMID_gaming_set_fan_mode(0x1); /* Set OC to normal */ WMID_gaming_set_u64(0x5, ACER_CAP_TURBO_OC); WMID_gaming_set_u64(0x7, ACER_CAP_TURBO_OC); } else { /* Turn on turbo led */ WMID_gaming_set_u64(0x10001, ACER_CAP_TURBO_LED); /* Set FAN mode to turbo */ WMID_gaming_set_fan_mode(0x2); /* Set OC to turbo mode */ WMID_gaming_set_u64(0x205, ACER_CAP_TURBO_OC); WMID_gaming_set_u64(0x207, ACER_CAP_TURBO_OC); } return turbo_led_state; } /* * Switch series keyboard dock status */ static int acer_kbd_dock_state_to_sw_tablet_mode(u8 kbd_dock_state) { switch (kbd_dock_state) { case 0x01: /* Docked, traditional clamshell laptop mode */ return 0; case 0x04: /* Stand-alone tablet */ case 0x40: /* Docked, tent mode, keyboard not usable */ return 1; default: pr_warn("Unknown kbd_dock_state 0x%02x\n", kbd_dock_state); } return 0; } static void acer_kbd_dock_get_initial_state(void) { u8 *output, input[8] = { 0x05, 0x00, }; struct acpi_buffer input_buf = { sizeof(input), input }; struct acpi_buffer output_buf = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; acpi_status status; int sw_tablet_mode; status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input_buf, &output_buf); if (ACPI_FAILURE(status)) { pr_err("Error getting keyboard-dock initial status: %s\n", acpi_format_exception(status)); return; } obj = output_buf.pointer; if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) { pr_err("Unexpected output format getting keyboard-dock initial status\n"); goto out_free_obj; } output = obj->buffer.pointer; if (output[0] != 0x00 || (output[3] != 0x05 && output[3] != 0x45)) { pr_err("Unexpected output [0]=0x%02x [3]=0x%02x getting keyboard-dock initial status\n", output[0], output[3]); goto out_free_obj; } sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(output[4]); input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode); out_free_obj: kfree(obj); } static void acer_kbd_dock_event(const struct event_return_value *event) { int sw_tablet_mode; if (!has_cap(ACER_CAP_KBD_DOCK)) return; sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(event->kbd_dock_state); input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode); input_sync(acer_wmi_input_dev); } /* * Rfkill devices */ static void acer_rfkill_update(struct work_struct *ignored); static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update); static void acer_rfkill_update(struct work_struct *ignored) { u32 state; acpi_status status; if (has_cap(ACER_CAP_WIRELESS)) { status = get_u32(&state, ACER_CAP_WIRELESS); if (ACPI_SUCCESS(status)) { if (quirks->wireless == 3) rfkill_set_hw_state(wireless_rfkill, !state); else rfkill_set_sw_state(wireless_rfkill, !state); } } if (has_cap(ACER_CAP_BLUETOOTH)) { status = get_u32(&state, ACER_CAP_BLUETOOTH); if (ACPI_SUCCESS(status)) rfkill_set_sw_state(bluetooth_rfkill, !state); } if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) { status = get_u32(&state, ACER_WMID3_GDS_THREEG); if (ACPI_SUCCESS(status)) rfkill_set_sw_state(threeg_rfkill, !state); } schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ)); } static int acer_rfkill_set(void *data, bool blocked) { acpi_status status; u32 cap = (unsigned long)data; if (rfkill_inited) { status = set_u32(!blocked, cap); if (ACPI_FAILURE(status)) return -ENODEV; } return 0; } static const struct rfkill_ops acer_rfkill_ops = { .set_block = acer_rfkill_set, }; static struct rfkill *acer_rfkill_register(struct device *dev, enum rfkill_type type, char *name, u32 cap) { int err; struct rfkill *rfkill_dev; u32 state; acpi_status status; rfkill_dev = rfkill_alloc(name, dev, type, &acer_rfkill_ops, (void *)(unsigned long)cap); if (!rfkill_dev) return ERR_PTR(-ENOMEM); status = get_u32(&state, cap); err = rfkill_register(rfkill_dev); if (err) { rfkill_destroy(rfkill_dev); return ERR_PTR(err); } if (ACPI_SUCCESS(status)) rfkill_set_sw_state(rfkill_dev, !state); return rfkill_dev; } static int acer_rfkill_init(struct device *dev) { int err; if (has_cap(ACER_CAP_WIRELESS)) { wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN, "acer-wireless", ACER_CAP_WIRELESS); if (IS_ERR(wireless_rfkill)) { err = PTR_ERR(wireless_rfkill); goto error_wireless; } } if (has_cap(ACER_CAP_BLUETOOTH)) { bluetooth_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_BLUETOOTH, "acer-bluetooth", ACER_CAP_BLUETOOTH); if (IS_ERR(bluetooth_rfkill)) { err = PTR_ERR(bluetooth_rfkill); goto error_bluetooth; } } if (has_cap(ACER_CAP_THREEG)) { threeg_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WWAN, "acer-threeg", ACER_CAP_THREEG); if (IS_ERR(threeg_rfkill)) { err = PTR_ERR(threeg_rfkill); goto error_threeg; } } rfkill_inited = true; if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) && has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG)) schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ)); return 0; error_threeg: if (has_cap(ACER_CAP_BLUETOOTH)) { rfkill_unregister(bluetooth_rfkill); rfkill_destroy(bluetooth_rfkill); } error_bluetooth: if (has_cap(ACER_CAP_WIRELESS)) { rfkill_unregister(wireless_rfkill); rfkill_destroy(wireless_rfkill); } error_wireless: return err; } static void acer_rfkill_exit(void) { if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) && has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG)) cancel_delayed_work_sync(&acer_rfkill_work); if (has_cap(ACER_CAP_WIRELESS)) { rfkill_unregister(wireless_rfkill); rfkill_destroy(wireless_rfkill); } if (has_cap(ACER_CAP_BLUETOOTH)) { rfkill_unregister(bluetooth_rfkill); rfkill_destroy(bluetooth_rfkill); } if (has_cap(ACER_CAP_THREEG)) { rfkill_unregister(threeg_rfkill); rfkill_destroy(threeg_rfkill); } return; } static void acer_wmi_notify(u32 value, void *context) { struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; struct event_return_value return_value; acpi_status status; u16 device_state; const struct key_entry *key; u32 scancode; status = wmi_get_event_data(value, &response); if (status != AE_OK) { pr_warn("bad event status 0x%x\n", status); return; } obj = (union acpi_object *)response.pointer; if (!obj) return; if (obj->type != ACPI_TYPE_BUFFER) { pr_warn("Unknown response received %d\n", obj->type); kfree(obj); return; } if (obj->buffer.length != 8) { pr_warn("Unknown buffer length %d\n", obj->buffer.length); kfree(obj); return; } return_value = *((struct event_return_value *)obj->buffer.pointer); kfree(obj); switch (return_value.function) { case WMID_HOTKEY_EVENT: device_state = return_value.device_state; pr_debug("device state: 0x%x\n", device_state); key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev, return_value.key_num); if (!key) { pr_warn("Unknown key number - 0x%x\n", return_value.key_num); } else { scancode = return_value.key_num; switch (key->keycode) { case KEY_WLAN: case KEY_BLUETOOTH: if (has_cap(ACER_CAP_WIRELESS)) rfkill_set_sw_state(wireless_rfkill, !(device_state & ACER_WMID3_GDS_WIRELESS)); if (has_cap(ACER_CAP_THREEG)) rfkill_set_sw_state(threeg_rfkill, !(device_state & ACER_WMID3_GDS_THREEG)); if (has_cap(ACER_CAP_BLUETOOTH)) rfkill_set_sw_state(bluetooth_rfkill, !(device_state & ACER_WMID3_GDS_BLUETOOTH)); break; case KEY_TOUCHPAD_TOGGLE: scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ? KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF; } sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true); } break; case WMID_ACCEL_OR_KBD_DOCK_EVENT: acer_gsensor_event(); acer_kbd_dock_event(&return_value); break; case WMID_GAMING_TURBO_KEY_EVENT: if (return_value.key_num == 0x4) acer_toggle_turbo(); break; default: pr_warn("Unknown function number - %d - %d\n", return_value.function, return_value.key_num); break; } } static acpi_status __init wmid3_set_function_mode(struct func_input_params *params, struct func_return_value *return_value) { acpi_status status; union acpi_object *obj; struct acpi_buffer input = { sizeof(struct func_input_params), params }; struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output); if (ACPI_FAILURE(status)) return status; obj = output.pointer; if (!obj) return AE_ERROR; else if (obj->type != ACPI_TYPE_BUFFER) { kfree(obj); return AE_ERROR; } if (obj->buffer.length != 4) { pr_warn("Unknown buffer length %d\n", obj->buffer.length); kfree(obj); return AE_ERROR; } *return_value = *((struct func_return_value *)obj->buffer.pointer); kfree(obj); return status; } static int __init acer_wmi_enable_ec_raw(void) { struct func_return_value return_value; acpi_status status; struct func_input_params params = { .function_num = 0x1, .commun_devices = 0xFFFF, .devices = 0xFFFF, .app_status = 0x00, /* Launch Manager Deactive */ .app_mask = 0x01, }; status = wmid3_set_function_mode(¶ms, &return_value); if (return_value.error_code || return_value.ec_return_value) pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n", return_value.error_code, return_value.ec_return_value); else pr_info("Enabled EC raw mode\n"); return status; } static int __init acer_wmi_enable_lm(void) { struct func_return_value return_value; acpi_status status; struct func_input_params params = { .function_num = 0x1, .commun_devices = 0xFFFF, .devices = 0xFFFF, .app_status = 0x01, /* Launch Manager Active */ .app_mask = 0x01, }; status = wmid3_set_function_mode(¶ms, &return_value); if (return_value.error_code || return_value.ec_return_value) pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n", return_value.error_code, return_value.ec_return_value); return status; } static int __init acer_wmi_enable_rf_button(void) { struct func_return_value return_value; acpi_status status; struct func_input_params params = { .function_num = 0x1, .commun_devices = 0xFFFF, .devices = 0xFFFF, .app_status = 0x10, /* RF Button Active */ .app_mask = 0x10, }; status = wmid3_set_function_mode(¶ms, &return_value); if (return_value.error_code || return_value.ec_return_value) pr_warn("Enabling RF Button failed: 0x%x - 0x%x\n", return_value.error_code, return_value.ec_return_value); return status; } static int __init acer_wmi_accel_setup(void) { struct acpi_device *adev; int err; adev = acpi_dev_get_first_match_dev("BST0001", NULL, -1); if (!adev) return -ENODEV; gsensor_handle = acpi_device_handle(adev); acpi_dev_put(adev); acer_wmi_accel_dev = input_allocate_device(); if (!acer_wmi_accel_dev) return -ENOMEM; acer_wmi_accel_dev->open = acer_gsensor_open; acer_wmi_accel_dev->name = "Acer BMA150 accelerometer"; acer_wmi_accel_dev->phys = "wmi/input1"; acer_wmi_accel_dev->id.bustype = BUS_HOST; acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS); input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0); input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0); input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0); err = input_register_device(acer_wmi_accel_dev); if (err) goto err_free_dev; return 0; err_free_dev: input_free_device(acer_wmi_accel_dev); return err; } static int __init acer_wmi_input_setup(void) { acpi_status status; int err; acer_wmi_input_dev = input_allocate_device(); if (!acer_wmi_input_dev) return -ENOMEM; acer_wmi_input_dev->name = "Acer WMI hotkeys"; acer_wmi_input_dev->phys = "wmi/input0"; acer_wmi_input_dev->id.bustype = BUS_HOST; err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL); if (err) goto err_free_dev; if (has_cap(ACER_CAP_KBD_DOCK)) input_set_capability(acer_wmi_input_dev, EV_SW, SW_TABLET_MODE); status = wmi_install_notify_handler(ACERWMID_EVENT_GUID, acer_wmi_notify, NULL); if (ACPI_FAILURE(status)) { err = -EIO; goto err_free_dev; } if (has_cap(ACER_CAP_KBD_DOCK)) acer_kbd_dock_get_initial_state(); err = input_register_device(acer_wmi_input_dev); if (err) goto err_uninstall_notifier; return 0; err_uninstall_notifier: wmi_remove_notify_handler(ACERWMID_EVENT_GUID); err_free_dev: input_free_device(acer_wmi_input_dev); return err; } static void acer_wmi_input_destroy(void) { wmi_remove_notify_handler(ACERWMID_EVENT_GUID); input_unregister_device(acer_wmi_input_dev); } /* * debugfs functions */ static u32 get_wmid_devices(void) { struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; union acpi_object *obj; acpi_status status; u32 devices = 0; status = wmi_query_block(WMID_GUID2, 0, &out); if (ACPI_FAILURE(status)) return 0; obj = (union acpi_object *) out.pointer; if (obj) { if (obj->type == ACPI_TYPE_BUFFER && (obj->buffer.length == sizeof(u32) || obj->buffer.length == sizeof(u64))) { devices = *((u32 *) obj->buffer.pointer); } else if (obj->type == ACPI_TYPE_INTEGER) { devices = (u32) obj->integer.value; } } kfree(out.pointer); return devices; } /* * Platform device */ static int acer_platform_probe(struct platform_device *device) { int err; if (has_cap(ACER_CAP_MAILLED)) { err = acer_led_init(&device->dev); if (err) goto error_mailled; } if (has_cap(ACER_CAP_BRIGHTNESS)) { err = acer_backlight_init(&device->dev); if (err) goto error_brightness; } err = acer_rfkill_init(&device->dev); if (err) goto error_rfkill; return err; error_rfkill: if (has_cap(ACER_CAP_BRIGHTNESS)) acer_backlight_exit(); error_brightness: if (has_cap(ACER_CAP_MAILLED)) acer_led_exit(); error_mailled: return err; } static void acer_platform_remove(struct platform_device *device) { if (has_cap(ACER_CAP_MAILLED)) acer_led_exit(); if (has_cap(ACER_CAP_BRIGHTNESS)) acer_backlight_exit(); acer_rfkill_exit(); } #ifdef CONFIG_PM_SLEEP static int acer_suspend(struct device *dev) { u32 value; struct acer_data *data = &interface->data; if (!data) return -ENOMEM; if (has_cap(ACER_CAP_MAILLED)) { get_u32(&value, ACER_CAP_MAILLED); set_u32(LED_OFF, ACER_CAP_MAILLED); data->mailled = value; } if (has_cap(ACER_CAP_BRIGHTNESS)) { get_u32(&value, ACER_CAP_BRIGHTNESS); data->brightness = value; } return 0; } static int acer_resume(struct device *dev) { struct acer_data *data = &interface->data; if (!data) return -ENOMEM; if (has_cap(ACER_CAP_MAILLED)) set_u32(data->mailled, ACER_CAP_MAILLED); if (has_cap(ACER_CAP_BRIGHTNESS)) set_u32(data->brightness, ACER_CAP_BRIGHTNESS); if (acer_wmi_accel_dev) acer_gsensor_init(); return 0; } #else #define acer_suspend NULL #define acer_resume NULL #endif static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume); static void acer_platform_shutdown(struct platform_device *device) { struct acer_data *data = &interface->data; if (!data) return; if (has_cap(ACER_CAP_MAILLED)) set_u32(LED_OFF, ACER_CAP_MAILLED); } static struct platform_driver acer_platform_driver = { .driver = { .name = "acer-wmi", .pm = &acer_pm, }, .probe = acer_platform_probe, .remove_new = acer_platform_remove, .shutdown = acer_platform_shutdown, }; static struct platform_device *acer_platform_device; static void remove_debugfs(void) { debugfs_remove_recursive(interface->debug.root); } static void __init create_debugfs(void) { interface->debug.root = debugfs_create_dir("acer-wmi", NULL); debugfs_create_u32("devices", S_IRUGO, interface->debug.root, &interface->debug.wmid_devices); } static int __init acer_wmi_init(void) { int err; pr_info("Acer Laptop ACPI-WMI Extras\n"); if (dmi_check_system(acer_blacklist)) { pr_info("Blacklisted hardware detected - not loading\n"); return -ENODEV; } find_quirks(); /* * The AMW0_GUID1 wmi is not only found on Acer family but also other * machines like Lenovo, Fujitsu and Medion. In the past days, * acer-wmi driver handled those non-Acer machines by quirks list. * But actually acer-wmi driver was loaded on any machines that have * AMW0_GUID1. This behavior is strange because those machines should * be supported by appropriate wmi drivers. e.g. fujitsu-laptop, * ideapad-laptop. So, here checks the machine that has AMW0_GUID1 * should be in Acer/Gateway/Packard Bell white list, or it's already * in the past quirk list. */ if (wmi_has_guid(AMW0_GUID1) && !dmi_check_system(amw0_whitelist) && quirks == &quirk_unknown) { pr_debug("Unsupported machine has AMW0_GUID1, unable to load\n"); return -ENODEV; } /* * Detect which ACPI-WMI interface we're using. */ if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) interface = &AMW0_V2_interface; if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) interface = &wmid_interface; if (wmi_has_guid(WMID_GUID3)) interface = &wmid_v2_interface; if (interface) dmi_walk(type_aa_dmi_decode, NULL); if (wmi_has_guid(WMID_GUID2) && interface) { if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) { pr_err("Unable to detect available WMID devices\n"); return -ENODEV; } /* WMID always provides brightness methods */ interface->capability |= ACER_CAP_BRIGHTNESS; } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa && force_caps == -1) { pr_err("No WMID device detection method found\n"); return -ENODEV; } if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) { interface = &AMW0_interface; if (ACPI_FAILURE(AMW0_set_capabilities())) { pr_err("Unable to detect available AMW0 devices\n"); return -ENODEV; } } if (wmi_has_guid(AMW0_GUID1)) AMW0_find_mailled(); if (!interface) { pr_err("No or unsupported WMI interface, unable to load\n"); return -ENODEV; } set_quirks(); if (acpi_video_get_backlight_type() != acpi_backlight_vendor) interface->capability &= ~ACER_CAP_BRIGHTNESS; if (wmi_has_guid(WMID_GUID3)) interface->capability |= ACER_CAP_SET_FUNCTION_MODE; if (force_caps != -1) interface->capability = force_caps; if (wmi_has_guid(WMID_GUID3) && (interface->capability & ACER_CAP_SET_FUNCTION_MODE)) { if (ACPI_FAILURE(acer_wmi_enable_rf_button())) pr_warn("Cannot enable RF Button Driver\n"); if (ec_raw_mode) { if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) { pr_err("Cannot enable EC raw mode\n"); return -ENODEV; } } else if (ACPI_FAILURE(acer_wmi_enable_lm())) { pr_err("Cannot enable Launch Manager mode\n"); return -ENODEV; } } else if (ec_raw_mode) { pr_info("No WMID EC raw mode enable method\n"); } if (wmi_has_guid(ACERWMID_EVENT_GUID)) { err = acer_wmi_input_setup(); if (err) return err; err = acer_wmi_accel_setup(); if (err && err != -ENODEV) pr_warn("Cannot enable accelerometer\n"); } err = platform_driver_register(&acer_platform_driver); if (err) { pr_err("Unable to register platform driver\n"); goto error_platform_register; } acer_platform_device = platform_device_alloc("acer-wmi", PLATFORM_DEVID_NONE); if (!acer_platform_device) { err = -ENOMEM; goto error_device_alloc; } err = platform_device_add(acer_platform_device); if (err) goto error_device_add; if (wmi_has_guid(WMID_GUID2)) { interface->debug.wmid_devices = get_wmid_devices(); create_debugfs(); } /* Override any initial settings with values from the commandline */ acer_commandline_init(); return 0; error_device_add: platform_device_put(acer_platform_device); error_device_alloc: platform_driver_unregister(&acer_platform_driver); error_platform_register: if (wmi_has_guid(ACERWMID_EVENT_GUID)) acer_wmi_input_destroy(); if (acer_wmi_accel_dev) input_unregister_device(acer_wmi_accel_dev); return err; } static void __exit acer_wmi_exit(void) { if (wmi_has_guid(ACERWMID_EVENT_GUID)) acer_wmi_input_destroy(); if (acer_wmi_accel_dev) input_unregister_device(acer_wmi_accel_dev); remove_debugfs(); platform_device_unregister(acer_platform_device); platform_driver_unregister(&acer_platform_driver); pr_info("Acer Laptop WMI Extras unloaded\n"); return; } module_init(acer_wmi_init); module_exit(acer_wmi_exit);
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